Home / 15,285.22-22,898.31-11,275.54

Finding the Fourth Proportional to 15,285.22, 22,898.31 and 11,275.54

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Solution

The fourth proportional to 15,285.22, 22,898.31 and 11,275.54 is: 16,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.22 : 22,898.31 = 11,275.54 : x
  2. Step 2: Convert to fraction form
    15,285.22/22,898.31 = 11,275.54/x
  3. Step 3: Cross multiply
    15,285.22x = 22,898.31 × 11,275.54
  4. Step 4: Simplify right side
    15,285.22x = 258,190,810.34
  5. Step 5: Solve for x
    x = 258,190,810.34/15,285.22
  6. Step 6: Final answer
    x = 16,891.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.